Removed several unchecked casts.

src/main/java/appeng/me/cluster/IAECluster.java

@@ -47,5 +47,5 @@ public interface IAECluster {
      */
     boolean isDestroyed();
 
-    Iterator<IGridHost> getTiles();
+    Iterator<? extends IGridHost> getTiles();
 }

src/main/java/appeng/me/cluster/implementations/CraftingCPUCalculator.java

@@ -90,7 +90,7 @@ public class CraftingCPUCalculator extends MBCalculator<CraftingTileEntity, Craf
 
         c.done();
 
-        final Iterator<IGridHost> i = c.getTiles();
+        final Iterator<CraftingTileEntity> i = c.getTiles();
         while (i.hasNext()) {
             final IGridHost gh = i.next();
             final IGridNode n = gh.getGridNode(AEPartLocation.INTERNAL);

src/main/java/appeng/me/cluster/implementations/CraftingCPUCluster.java

@@ -185,8 +185,8 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU {
     }
 
     @Override
-    public Iterator<IGridHost> getTiles() {
+    public Iterator<CraftingTileEntity> getTiles() {
-        return (Iterator) this.tiles.iterator();
+        return this.tiles.iterator();
     }
 
     void addTile(final CraftingTileEntity te) {

src/main/java/appeng/me/cluster/implementations/QuantumCluster.java

@@ -33,7 +33,6 @@ import appeng.api.events.LocatableEventAnnounce;
 import appeng.api.events.LocatableEventAnnounce.LocatableEvent;
 import appeng.api.exceptions.FailedConnectionException;
 import appeng.api.features.ILocatable;
-import appeng.api.networking.IGridHost;
 import appeng.api.networking.IGridNode;
 import appeng.api.util.AEPartLocation;
 import appeng.core.AELog;
@@ -238,7 +237,7 @@ public class QuantumCluster implements ILocatable, IAECluster {
     }
 
     @Override
-    public Iterator<IGridHost> getTiles() {
+    public Iterator<QuantumBridgeTileEntity> getTiles() {
         return new ChainedIterator<>(this.getRing()[0], this.getRing()[1], this.getRing()[2], this.getRing()[3],
                 this.getRing()[4], this.getRing()[5], this.getRing()[6], this.getRing()[7], this.center);
     }

src/main/java/appeng/me/cluster/implementations/SpatialPylonCluster.java

@@ -25,7 +25,6 @@ import java.util.List;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 
-import appeng.api.networking.IGridHost;
 import appeng.me.cluster.IAECluster;
 import appeng.me.cluster.MBCalculator;
 import appeng.tile.spatial.SpatialPylonTileEntity;
@@ -88,8 +87,8 @@ public class SpatialPylonCluster implements IAECluster {
     }
 
     @Override
-    public Iterator<IGridHost> getTiles() {
+    public Iterator<SpatialPylonTileEntity> getTiles() {
-        return (Iterator) this.getLine().iterator();
+        return this.getLine().iterator();
     }
 
     public int tileCount() {

src/main/java/appeng/me/helpers/AENetworkProxyMultiblock.java

@@ -41,11 +41,10 @@ public class AENetworkProxyMultiblock extends AENetworkProxy implements IGridMul
         if (this.getCluster() == null) {
             return new ChainedIterator<>();
         }
-
         return new ProxyNodeIterator(this.getCluster().getTiles());
     }
 
     private IAECluster getCluster() {
-        return ((IAEMultiBlock) this.getMachine()).getCluster();
+        return ((IAEMultiBlock<?>) this.getMachine()).getCluster();
     }
 }

src/main/java/appeng/tile/crafting/CraftingTileEntity.java

@@ -18,14 +18,17 @@
 
 package appeng.tile.crafting;
 
-import java.util.*;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.Optional;
 
 import javax.annotation.Nonnull;
 
 import net.minecraft.block.BlockState;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.CompoundNBT;
-import net.minecraft.tileentity.TileEntity;
 import net.minecraft.tileentity.TileEntityType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
@@ -35,15 +38,12 @@ import net.minecraftforge.client.model.data.IModelData;
 import appeng.api.config.Actionable;
 import appeng.api.implementations.IPowerChannelState;
 import appeng.api.networking.GridFlags;
-import appeng.api.networking.IGridHost;
 import appeng.api.networking.events.MENetworkChannelsChanged;
 import appeng.api.networking.events.MENetworkEventSubscribe;
 import appeng.api.networking.events.MENetworkPowerStatusChange;
 import appeng.api.storage.IMEInventory;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
-import appeng.api.util.AEPartLocation;
-import appeng.api.util.WorldCoord;
 import appeng.block.crafting.AbstractCraftingUnitBlock;
 import appeng.block.crafting.AbstractCraftingUnitBlock.CraftingUnitType;
 import appeng.core.Api;
@@ -250,21 +250,18 @@ public class CraftingTileEntity extends AENetworkTileEntity
             this.cluster.cancel();
             final IMEInventory<IAEItemStack> inv = this.cluster.getInventory();
 
-            final LinkedList<WorldCoord> places = new LinkedList<>();
+            final LinkedList<BlockPos> places = new LinkedList<>();
 
-            final Iterator<IGridHost> i = this.cluster.getTiles();
+            final Iterator<CraftingTileEntity> i = this.cluster.getTiles();
             while (i.hasNext()) {
-                final IGridHost h = i.next();
+                final CraftingTileEntity h = i.next();
                 if (h == this) {
-                    places.add(new WorldCoord(this));
+                    places.add(pos);
                 } else {
-                    final TileEntity te = (TileEntity) h;
+                    for (Direction d : Direction.values()) {
-
+                        BlockPos p = h.pos.offset(d);
-                    for (final AEPartLocation d : AEPartLocation.SIDE_LOCATIONS) {
+                        if (this.world.isAirBlock(p)) {
-                        final WorldCoord wc = new WorldCoord(te);
+                            places.add(p);
-                        wc.add(d, 1);
-                        if (this.world.isAirBlock(wc.getPos())) {
-                            places.add(wc);
                         }
                     }
                 }
@@ -288,10 +285,10 @@ public class CraftingTileEntity extends AENetworkTileEntity
                         break;
                     }
 
-                    final WorldCoord wc = places.poll();
+                    final BlockPos pos = places.poll();
-                    places.add(wc);
+                    places.add(pos);
 
-                    Platform.spawnDrops(this.world, wc.getPos(), Collections.singletonList(g.createItemStack()));
+                    Platform.spawnDrops(this.world, pos, Collections.singletonList(g.createItemStack()));
                 }
             }
 

src/main/java/appeng/util/iterators/ProxyNodeIterator.java

@@ -25,9 +25,9 @@ import appeng.api.networking.IGridNode;
 import appeng.api.util.AEPartLocation;
 
 public final class ProxyNodeIterator implements Iterator<IGridNode> {
-    private final Iterator<IGridHost> hosts;
+    private final Iterator<? extends IGridHost> hosts;
 
-    public ProxyNodeIterator(final Iterator<IGridHost> hosts) {
+    public ProxyNodeIterator(final Iterator<? extends IGridHost> hosts) {
         this.hosts = hosts;
     }